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      1 #ifndef __LINUX_KVM_H
      2 #define __LINUX_KVM_H
      3 
      4 /*
      5  * Userspace interface for /dev/kvm - kernel based virtual machine
      6  *
      7  * Note: you must update KVM_API_VERSION if you change this interface.
      8  */
      9 
     10 #include <linux/types.h>
     11 #include <linux/compiler.h>
     12 #include <linux/ioctl.h>
     13 #include <asm/kvm.h>
     14 
     15 #define KVM_API_VERSION 12
     16 
     17 /* *** Deprecated interfaces *** */
     18 
     19 #define KVM_TRC_SHIFT           16
     20 
     21 #define KVM_TRC_ENTRYEXIT       (1 << KVM_TRC_SHIFT)
     22 #define KVM_TRC_HANDLER         (1 << (KVM_TRC_SHIFT + 1))
     23 
     24 #define KVM_TRC_VMENTRY         (KVM_TRC_ENTRYEXIT + 0x01)
     25 #define KVM_TRC_VMEXIT          (KVM_TRC_ENTRYEXIT + 0x02)
     26 #define KVM_TRC_PAGE_FAULT      (KVM_TRC_HANDLER + 0x01)
     27 
     28 #define KVM_TRC_HEAD_SIZE       12
     29 #define KVM_TRC_CYCLE_SIZE      8
     30 #define KVM_TRC_EXTRA_MAX       7
     31 
     32 #define KVM_TRC_INJ_VIRQ         (KVM_TRC_HANDLER + 0x02)
     33 #define KVM_TRC_REDELIVER_EVT    (KVM_TRC_HANDLER + 0x03)
     34 #define KVM_TRC_PEND_INTR        (KVM_TRC_HANDLER + 0x04)
     35 #define KVM_TRC_IO_READ          (KVM_TRC_HANDLER + 0x05)
     36 #define KVM_TRC_IO_WRITE         (KVM_TRC_HANDLER + 0x06)
     37 #define KVM_TRC_CR_READ          (KVM_TRC_HANDLER + 0x07)
     38 #define KVM_TRC_CR_WRITE         (KVM_TRC_HANDLER + 0x08)
     39 #define KVM_TRC_DR_READ          (KVM_TRC_HANDLER + 0x09)
     40 #define KVM_TRC_DR_WRITE         (KVM_TRC_HANDLER + 0x0A)
     41 #define KVM_TRC_MSR_READ         (KVM_TRC_HANDLER + 0x0B)
     42 #define KVM_TRC_MSR_WRITE        (KVM_TRC_HANDLER + 0x0C)
     43 #define KVM_TRC_CPUID            (KVM_TRC_HANDLER + 0x0D)
     44 #define KVM_TRC_INTR             (KVM_TRC_HANDLER + 0x0E)
     45 #define KVM_TRC_NMI              (KVM_TRC_HANDLER + 0x0F)
     46 #define KVM_TRC_VMMCALL          (KVM_TRC_HANDLER + 0x10)
     47 #define KVM_TRC_HLT              (KVM_TRC_HANDLER + 0x11)
     48 #define KVM_TRC_CLTS             (KVM_TRC_HANDLER + 0x12)
     49 #define KVM_TRC_LMSW             (KVM_TRC_HANDLER + 0x13)
     50 #define KVM_TRC_APIC_ACCESS      (KVM_TRC_HANDLER + 0x14)
     51 #define KVM_TRC_TDP_FAULT        (KVM_TRC_HANDLER + 0x15)
     52 #define KVM_TRC_GTLB_WRITE       (KVM_TRC_HANDLER + 0x16)
     53 #define KVM_TRC_STLB_WRITE       (KVM_TRC_HANDLER + 0x17)
     54 #define KVM_TRC_STLB_INVAL       (KVM_TRC_HANDLER + 0x18)
     55 #define KVM_TRC_PPC_INSTR        (KVM_TRC_HANDLER + 0x19)
     56 
     57 struct kvm_user_trace_setup {
     58 	__u32 buf_size;
     59 	__u32 buf_nr;
     60 };
     61 
     62 #define __KVM_DEPRECATED_MAIN_W_0x06 \
     63 	_IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
     64 #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
     65 #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
     66 
     67 #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
     68 
     69 struct kvm_breakpoint {
     70 	__u32 enabled;
     71 	__u32 padding;
     72 	__u64 address;
     73 };
     74 
     75 struct kvm_debug_guest {
     76 	__u32 enabled;
     77 	__u32 pad;
     78 	struct kvm_breakpoint breakpoints[4];
     79 	__u32 singlestep;
     80 };
     81 
     82 #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
     83 
     84 /* *** End of deprecated interfaces *** */
     85 
     86 
     87 /* for KVM_CREATE_MEMORY_REGION */
     88 struct kvm_memory_region {
     89 	__u32 slot;
     90 	__u32 flags;
     91 	__u64 guest_phys_addr;
     92 	__u64 memory_size; /* bytes */
     93 };
     94 
     95 /* for KVM_SET_USER_MEMORY_REGION */
     96 struct kvm_userspace_memory_region {
     97 	__u32 slot;
     98 	__u32 flags;
     99 	__u64 guest_phys_addr;
    100 	__u64 memory_size; /* bytes */
    101 	__u64 userspace_addr; /* start of the userspace allocated memory */
    102 };
    103 
    104 /*
    105  * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
    106  * other bits are reserved for kvm internal use which are defined in
    107  * include/linux/kvm_host.h.
    108  */
    109 #define KVM_MEM_LOG_DIRTY_PAGES	(1UL << 0)
    110 #define KVM_MEM_READONLY	(1UL << 1)
    111 
    112 /* for KVM_IRQ_LINE */
    113 struct kvm_irq_level {
    114 	/*
    115 	 * ACPI gsi notion of irq.
    116 	 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
    117 	 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
    118 	 * For ARM: See Documentation/virtual/kvm/api.txt
    119 	 */
    120 	union {
    121 		__u32 irq;
    122 		__s32 status;
    123 	};
    124 	__u32 level;
    125 };
    126 
    127 
    128 struct kvm_irqchip {
    129 	__u32 chip_id;
    130 	__u32 pad;
    131         union {
    132 		char dummy[512];  /* reserving space */
    133 #ifdef __KVM_HAVE_PIT
    134 		struct kvm_pic_state pic;
    135 #endif
    136 #ifdef __KVM_HAVE_IOAPIC
    137 		struct kvm_ioapic_state ioapic;
    138 #endif
    139 	} chip;
    140 };
    141 
    142 /* for KVM_CREATE_PIT2 */
    143 struct kvm_pit_config {
    144 	__u32 flags;
    145 	__u32 pad[15];
    146 };
    147 
    148 #define KVM_PIT_SPEAKER_DUMMY     1
    149 
    150 #define KVM_EXIT_UNKNOWN          0
    151 #define KVM_EXIT_EXCEPTION        1
    152 #define KVM_EXIT_IO               2
    153 #define KVM_EXIT_HYPERCALL        3
    154 #define KVM_EXIT_DEBUG            4
    155 #define KVM_EXIT_HLT              5
    156 #define KVM_EXIT_MMIO             6
    157 #define KVM_EXIT_IRQ_WINDOW_OPEN  7
    158 #define KVM_EXIT_SHUTDOWN         8
    159 #define KVM_EXIT_FAIL_ENTRY       9
    160 #define KVM_EXIT_INTR             10
    161 #define KVM_EXIT_SET_TPR          11
    162 #define KVM_EXIT_TPR_ACCESS       12
    163 #define KVM_EXIT_S390_SIEIC       13
    164 #define KVM_EXIT_S390_RESET       14
    165 #define KVM_EXIT_DCR              15
    166 #define KVM_EXIT_NMI              16
    167 #define KVM_EXIT_INTERNAL_ERROR   17
    168 #define KVM_EXIT_OSI              18
    169 #define KVM_EXIT_PAPR_HCALL	  19
    170 #define KVM_EXIT_S390_UCONTROL	  20
    171 #define KVM_EXIT_WATCHDOG         21
    172 #define KVM_EXIT_S390_TSCH        22
    173 #define KVM_EXIT_EPR              23
    174 
    175 /* For KVM_EXIT_INTERNAL_ERROR */
    176 /* Emulate instruction failed. */
    177 #define KVM_INTERNAL_ERROR_EMULATION	1
    178 /* Encounter unexpected simultaneous exceptions. */
    179 #define KVM_INTERNAL_ERROR_SIMUL_EX	2
    180 /* Encounter unexpected vm-exit due to delivery event. */
    181 #define KVM_INTERNAL_ERROR_DELIVERY_EV	3
    182 
    183 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
    184 struct kvm_run {
    185 	/* in */
    186 	__u8 request_interrupt_window;
    187 	__u8 padding1[7];
    188 
    189 	/* out */
    190 	__u32 exit_reason;
    191 	__u8 ready_for_interrupt_injection;
    192 	__u8 if_flag;
    193 	__u8 padding2[2];
    194 
    195 	/* in (pre_kvm_run), out (post_kvm_run) */
    196 	__u64 cr8;
    197 	__u64 apic_base;
    198 
    199 #ifdef __KVM_S390
    200 	/* the processor status word for s390 */
    201 	__u64 psw_mask; /* psw upper half */
    202 	__u64 psw_addr; /* psw lower half */
    203 #endif
    204 	union {
    205 		/* KVM_EXIT_UNKNOWN */
    206 		struct {
    207 			__u64 hardware_exit_reason;
    208 		} hw;
    209 		/* KVM_EXIT_FAIL_ENTRY */
    210 		struct {
    211 			__u64 hardware_entry_failure_reason;
    212 		} fail_entry;
    213 		/* KVM_EXIT_EXCEPTION */
    214 		struct {
    215 			__u32 exception;
    216 			__u32 error_code;
    217 		} ex;
    218 		/* KVM_EXIT_IO */
    219 		struct {
    220 #define KVM_EXIT_IO_IN  0
    221 #define KVM_EXIT_IO_OUT 1
    222 			__u8 direction;
    223 			__u8 size; /* bytes */
    224 			__u16 port;
    225 			__u32 count;
    226 			__u64 data_offset; /* relative to kvm_run start */
    227 		} io;
    228 		struct {
    229 			struct kvm_debug_exit_arch arch;
    230 		} debug;
    231 		/* KVM_EXIT_MMIO */
    232 		struct {
    233 			__u64 phys_addr;
    234 			__u8  data[8];
    235 			__u32 len;
    236 			__u8  is_write;
    237 		} mmio;
    238 		/* KVM_EXIT_HYPERCALL */
    239 		struct {
    240 			__u64 nr;
    241 			__u64 args[6];
    242 			__u64 ret;
    243 			__u32 longmode;
    244 			__u32 pad;
    245 		} hypercall;
    246 		/* KVM_EXIT_TPR_ACCESS */
    247 		struct {
    248 			__u64 rip;
    249 			__u32 is_write;
    250 			__u32 pad;
    251 		} tpr_access;
    252 		/* KVM_EXIT_S390_SIEIC */
    253 		struct {
    254 			__u8 icptcode;
    255 			__u16 ipa;
    256 			__u32 ipb;
    257 		} s390_sieic;
    258 		/* KVM_EXIT_S390_RESET */
    259 #define KVM_S390_RESET_POR       1
    260 #define KVM_S390_RESET_CLEAR     2
    261 #define KVM_S390_RESET_SUBSYSTEM 4
    262 #define KVM_S390_RESET_CPU_INIT  8
    263 #define KVM_S390_RESET_IPL       16
    264 		__u64 s390_reset_flags;
    265 		/* KVM_EXIT_S390_UCONTROL */
    266 		struct {
    267 			__u64 trans_exc_code;
    268 			__u32 pgm_code;
    269 		} s390_ucontrol;
    270 		/* KVM_EXIT_DCR */
    271 		struct {
    272 			__u32 dcrn;
    273 			__u32 data;
    274 			__u8  is_write;
    275 		} dcr;
    276 		struct {
    277 			__u32 suberror;
    278 			/* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
    279 			__u32 ndata;
    280 			__u64 data[16];
    281 		} internal;
    282 		/* KVM_EXIT_OSI */
    283 		struct {
    284 			__u64 gprs[32];
    285 		} osi;
    286 		struct {
    287 			__u64 nr;
    288 			__u64 ret;
    289 			__u64 args[9];
    290 		} papr_hcall;
    291 		/* KVM_EXIT_S390_TSCH */
    292 		struct {
    293 			__u16 subchannel_id;
    294 			__u16 subchannel_nr;
    295 			__u32 io_int_parm;
    296 			__u32 io_int_word;
    297 			__u32 ipb;
    298 			__u8 dequeued;
    299 		} s390_tsch;
    300 		/* KVM_EXIT_EPR */
    301 		struct {
    302 			__u32 epr;
    303 		} epr;
    304 		/* Fix the size of the union. */
    305 		char padding[256];
    306 	};
    307 
    308 	/*
    309 	 * shared registers between kvm and userspace.
    310 	 * kvm_valid_regs specifies the register classes set by the host
    311 	 * kvm_dirty_regs specified the register classes dirtied by userspace
    312 	 * struct kvm_sync_regs is architecture specific, as well as the
    313 	 * bits for kvm_valid_regs and kvm_dirty_regs
    314 	 */
    315 	__u64 kvm_valid_regs;
    316 	__u64 kvm_dirty_regs;
    317 	union {
    318 		struct kvm_sync_regs regs;
    319 		char padding[1024];
    320 	} s;
    321 };
    322 
    323 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
    324 
    325 struct kvm_coalesced_mmio_zone {
    326 	__u64 addr;
    327 	__u32 size;
    328 	__u32 pad;
    329 };
    330 
    331 struct kvm_coalesced_mmio {
    332 	__u64 phys_addr;
    333 	__u32 len;
    334 	__u32 pad;
    335 	__u8  data[8];
    336 };
    337 
    338 struct kvm_coalesced_mmio_ring {
    339 	__u32 first, last;
    340 	struct kvm_coalesced_mmio coalesced_mmio[0];
    341 };
    342 
    343 #define KVM_COALESCED_MMIO_MAX \
    344 	((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
    345 	 sizeof(struct kvm_coalesced_mmio))
    346 
    347 /* for KVM_TRANSLATE */
    348 struct kvm_translation {
    349 	/* in */
    350 	__u64 linear_address;
    351 
    352 	/* out */
    353 	__u64 physical_address;
    354 	__u8  valid;
    355 	__u8  writeable;
    356 	__u8  usermode;
    357 	__u8  pad[5];
    358 };
    359 
    360 /* for KVM_INTERRUPT */
    361 struct kvm_interrupt {
    362 	/* in */
    363 	__u32 irq;
    364 };
    365 
    366 /* for KVM_GET_DIRTY_LOG */
    367 struct kvm_dirty_log {
    368 	__u32 slot;
    369 	__u32 padding1;
    370 	union {
    371 		void __user *dirty_bitmap; /* one bit per page */
    372 		__u64 padding2;
    373 	};
    374 };
    375 
    376 /* for KVM_SET_SIGNAL_MASK */
    377 struct kvm_signal_mask {
    378 	__u32 len;
    379 	__u8  sigset[0];
    380 };
    381 
    382 /* for KVM_TPR_ACCESS_REPORTING */
    383 struct kvm_tpr_access_ctl {
    384 	__u32 enabled;
    385 	__u32 flags;
    386 	__u32 reserved[8];
    387 };
    388 
    389 /* for KVM_SET_VAPIC_ADDR */
    390 struct kvm_vapic_addr {
    391 	__u64 vapic_addr;
    392 };
    393 
    394 /* for KVM_SET_MPSTATE */
    395 
    396 #define KVM_MP_STATE_RUNNABLE          0
    397 #define KVM_MP_STATE_UNINITIALIZED     1
    398 #define KVM_MP_STATE_INIT_RECEIVED     2
    399 #define KVM_MP_STATE_HALTED            3
    400 #define KVM_MP_STATE_SIPI_RECEIVED     4
    401 
    402 struct kvm_mp_state {
    403 	__u32 mp_state;
    404 };
    405 
    406 struct kvm_s390_psw {
    407 	__u64 mask;
    408 	__u64 addr;
    409 };
    410 
    411 /* valid values for type in kvm_s390_interrupt */
    412 #define KVM_S390_SIGP_STOP		0xfffe0000u
    413 #define KVM_S390_PROGRAM_INT		0xfffe0001u
    414 #define KVM_S390_SIGP_SET_PREFIX	0xfffe0002u
    415 #define KVM_S390_RESTART		0xfffe0003u
    416 #define KVM_S390_MCHK			0xfffe1000u
    417 #define KVM_S390_INT_VIRTIO		0xffff2603u
    418 #define KVM_S390_INT_SERVICE		0xffff2401u
    419 #define KVM_S390_INT_EMERGENCY		0xffff1201u
    420 #define KVM_S390_INT_EXTERNAL_CALL	0xffff1202u
    421 /* Anything below 0xfffe0000u is taken by INT_IO */
    422 #define KVM_S390_INT_IO(ai,cssid,ssid,schid)   \
    423 	(((schid)) |			       \
    424 	 ((ssid) << 16) |		       \
    425 	 ((cssid) << 18) |		       \
    426 	 ((ai) << 26))
    427 #define KVM_S390_INT_IO_MIN		0x00000000u
    428 #define KVM_S390_INT_IO_MAX		0xfffdffffu
    429 
    430 
    431 struct kvm_s390_interrupt {
    432 	__u32 type;
    433 	__u32 parm;
    434 	__u64 parm64;
    435 };
    436 
    437 /* for KVM_SET_GUEST_DEBUG */
    438 
    439 #define KVM_GUESTDBG_ENABLE		0x00000001
    440 #define KVM_GUESTDBG_SINGLESTEP		0x00000002
    441 
    442 struct kvm_guest_debug {
    443 	__u32 control;
    444 	__u32 pad;
    445 	struct kvm_guest_debug_arch arch;
    446 };
    447 
    448 enum {
    449 	kvm_ioeventfd_flag_nr_datamatch,
    450 	kvm_ioeventfd_flag_nr_pio,
    451 	kvm_ioeventfd_flag_nr_deassign,
    452 	kvm_ioeventfd_flag_nr_virtio_ccw_notify,
    453 	kvm_ioeventfd_flag_nr_max,
    454 };
    455 
    456 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
    457 #define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
    458 #define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
    459 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
    460 	(1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
    461 
    462 #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
    463 
    464 struct kvm_ioeventfd {
    465 	__u64 datamatch;
    466 	__u64 addr;        /* legal pio/mmio address */
    467 	__u32 len;         /* 1, 2, 4, or 8 bytes    */
    468 	__s32 fd;
    469 	__u32 flags;
    470 	__u8  pad[36];
    471 };
    472 
    473 /* for KVM_ENABLE_CAP */
    474 struct kvm_enable_cap {
    475 	/* in */
    476 	__u32 cap;
    477 	__u32 flags;
    478 	__u64 args[4];
    479 	__u8  pad[64];
    480 };
    481 
    482 /* for KVM_PPC_GET_PVINFO */
    483 struct kvm_ppc_pvinfo {
    484 	/* out */
    485 	__u32 flags;
    486 	__u32 hcall[4];
    487 	__u8  pad[108];
    488 };
    489 
    490 /* for KVM_PPC_GET_SMMU_INFO */
    491 #define KVM_PPC_PAGE_SIZES_MAX_SZ	8
    492 
    493 struct kvm_ppc_one_page_size {
    494 	__u32 page_shift;	/* Page shift (or 0) */
    495 	__u32 pte_enc;		/* Encoding in the HPTE (>>12) */
    496 };
    497 
    498 struct kvm_ppc_one_seg_page_size {
    499 	__u32 page_shift;	/* Base page shift of segment (or 0) */
    500 	__u32 slb_enc;		/* SLB encoding for BookS */
    501 	struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
    502 };
    503 
    504 #define KVM_PPC_PAGE_SIZES_REAL		0x00000001
    505 #define KVM_PPC_1T_SEGMENTS		0x00000002
    506 
    507 struct kvm_ppc_smmu_info {
    508 	__u64 flags;
    509 	__u32 slb_size;
    510 	__u32 pad;
    511 	struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
    512 };
    513 
    514 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE   (1<<0)
    515 
    516 #define KVMIO 0xAE
    517 
    518 /* machine type bits, to be used as argument to KVM_CREATE_VM */
    519 #define KVM_VM_S390_UCONTROL	1
    520 
    521 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
    522 #define KVM_VM_PPC_HV 1
    523 #define KVM_VM_PPC_PR 2
    524 
    525 #define KVM_S390_SIE_PAGE_OFFSET 1
    526 
    527 /*
    528  * ioctls for /dev/kvm fds:
    529  */
    530 #define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
    531 #define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
    532 #define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
    533 
    534 #define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
    535 /*
    536  * Check if a kvm extension is available.  Argument is extension number,
    537  * return is 1 (yes) or 0 (no, sorry).
    538  */
    539 #define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
    540 /*
    541  * Get size for mmap(vcpu_fd)
    542  */
    543 #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
    544 #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
    545 #define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
    546 #define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
    547 #define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
    548 #define KVM_GET_EMULATED_CPUID	  _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
    549 
    550 /*
    551  * Extension capability list.
    552  */
    553 #define KVM_CAP_IRQCHIP	  0
    554 #define KVM_CAP_HLT	  1
    555 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
    556 #define KVM_CAP_USER_MEMORY 3
    557 #define KVM_CAP_SET_TSS_ADDR 4
    558 #define KVM_CAP_VAPIC 6
    559 #define KVM_CAP_EXT_CPUID 7
    560 #define KVM_CAP_CLOCKSOURCE 8
    561 #define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
    562 #define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
    563 #define KVM_CAP_PIT 11
    564 #define KVM_CAP_NOP_IO_DELAY 12
    565 #define KVM_CAP_PV_MMU 13
    566 #define KVM_CAP_MP_STATE 14
    567 #define KVM_CAP_COALESCED_MMIO 15
    568 #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
    569 #define KVM_CAP_DEVICE_ASSIGNMENT 17
    570 #define KVM_CAP_IOMMU 18
    571 #ifdef __KVM_HAVE_MSI
    572 #define KVM_CAP_DEVICE_MSI 20
    573 #endif
    574 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
    575 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
    576 #ifdef __KVM_HAVE_USER_NMI
    577 #define KVM_CAP_USER_NMI 22
    578 #endif
    579 #ifdef __KVM_HAVE_GUEST_DEBUG
    580 #define KVM_CAP_SET_GUEST_DEBUG 23
    581 #endif
    582 #ifdef __KVM_HAVE_PIT
    583 #define KVM_CAP_REINJECT_CONTROL 24
    584 #endif
    585 #define KVM_CAP_IRQ_ROUTING 25
    586 #define KVM_CAP_IRQ_INJECT_STATUS 26
    587 #define KVM_CAP_DEVICE_DEASSIGNMENT 27
    588 #ifdef __KVM_HAVE_MSIX
    589 #define KVM_CAP_DEVICE_MSIX 28
    590 #endif
    591 #define KVM_CAP_ASSIGN_DEV_IRQ 29
    592 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
    593 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
    594 #ifdef __KVM_HAVE_MCE
    595 #define KVM_CAP_MCE 31
    596 #endif
    597 #define KVM_CAP_IRQFD 32
    598 #ifdef __KVM_HAVE_PIT
    599 #define KVM_CAP_PIT2 33
    600 #endif
    601 #define KVM_CAP_SET_BOOT_CPU_ID 34
    602 #ifdef __KVM_HAVE_PIT_STATE2
    603 #define KVM_CAP_PIT_STATE2 35
    604 #endif
    605 #define KVM_CAP_IOEVENTFD 36
    606 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
    607 #ifdef __KVM_HAVE_XEN_HVM
    608 #define KVM_CAP_XEN_HVM 38
    609 #endif
    610 #define KVM_CAP_ADJUST_CLOCK 39
    611 #define KVM_CAP_INTERNAL_ERROR_DATA 40
    612 #ifdef __KVM_HAVE_VCPU_EVENTS
    613 #define KVM_CAP_VCPU_EVENTS 41
    614 #endif
    615 #define KVM_CAP_S390_PSW 42
    616 #define KVM_CAP_PPC_SEGSTATE 43
    617 #define KVM_CAP_HYPERV 44
    618 #define KVM_CAP_HYPERV_VAPIC 45
    619 #define KVM_CAP_HYPERV_SPIN 46
    620 #define KVM_CAP_PCI_SEGMENT 47
    621 #define KVM_CAP_PPC_PAIRED_SINGLES 48
    622 #define KVM_CAP_INTR_SHADOW 49
    623 #ifdef __KVM_HAVE_DEBUGREGS
    624 #define KVM_CAP_DEBUGREGS 50
    625 #endif
    626 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
    627 #define KVM_CAP_PPC_OSI 52
    628 #define KVM_CAP_PPC_UNSET_IRQ 53
    629 #define KVM_CAP_ENABLE_CAP 54
    630 #ifdef __KVM_HAVE_XSAVE
    631 #define KVM_CAP_XSAVE 55
    632 #endif
    633 #ifdef __KVM_HAVE_XCRS
    634 #define KVM_CAP_XCRS 56
    635 #endif
    636 #define KVM_CAP_PPC_GET_PVINFO 57
    637 #define KVM_CAP_PPC_IRQ_LEVEL 58
    638 #define KVM_CAP_ASYNC_PF 59
    639 #define KVM_CAP_TSC_CONTROL 60
    640 #define KVM_CAP_GET_TSC_KHZ 61
    641 #define KVM_CAP_PPC_BOOKE_SREGS 62
    642 #define KVM_CAP_SPAPR_TCE 63
    643 #define KVM_CAP_PPC_SMT 64
    644 #define KVM_CAP_PPC_RMA	65
    645 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
    646 #define KVM_CAP_PPC_HIOR 67
    647 #define KVM_CAP_PPC_PAPR 68
    648 #define KVM_CAP_SW_TLB 69
    649 #define KVM_CAP_ONE_REG 70
    650 #define KVM_CAP_S390_GMAP 71
    651 #define KVM_CAP_TSC_DEADLINE_TIMER 72
    652 #define KVM_CAP_S390_UCONTROL 73
    653 #define KVM_CAP_SYNC_REGS 74
    654 #define KVM_CAP_PCI_2_3 75
    655 #define KVM_CAP_KVMCLOCK_CTRL 76
    656 #define KVM_CAP_SIGNAL_MSI 77
    657 #define KVM_CAP_PPC_GET_SMMU_INFO 78
    658 #define KVM_CAP_S390_COW 79
    659 #define KVM_CAP_PPC_ALLOC_HTAB 80
    660 #ifdef __KVM_HAVE_READONLY_MEM
    661 #define KVM_CAP_READONLY_MEM 81
    662 #endif
    663 #define KVM_CAP_IRQFD_RESAMPLE 82
    664 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
    665 #define KVM_CAP_PPC_HTAB_FD 84
    666 #define KVM_CAP_S390_CSS_SUPPORT 85
    667 #define KVM_CAP_PPC_EPR 86
    668 #define KVM_CAP_ARM_PSCI 87
    669 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
    670 #define KVM_CAP_DEVICE_CTRL 89
    671 #define KVM_CAP_IRQ_MPIC 90
    672 #define KVM_CAP_PPC_RTAS 91
    673 #define KVM_CAP_IRQ_XICS 92
    674 #define KVM_CAP_ARM_EL1_32BIT 93
    675 #define KVM_CAP_SPAPR_MULTITCE 94
    676 #define KVM_CAP_EXT_EMUL_CPUID 95
    677 #define KVM_CAP_HYPERV_TIME 96
    678 
    679 #ifdef KVM_CAP_IRQ_ROUTING
    680 
    681 struct kvm_irq_routing_irqchip {
    682 	__u32 irqchip;
    683 	__u32 pin;
    684 };
    685 
    686 struct kvm_irq_routing_msi {
    687 	__u32 address_lo;
    688 	__u32 address_hi;
    689 	__u32 data;
    690 	__u32 pad;
    691 };
    692 
    693 /* gsi routing entry types */
    694 #define KVM_IRQ_ROUTING_IRQCHIP 1
    695 #define KVM_IRQ_ROUTING_MSI 2
    696 
    697 struct kvm_irq_routing_entry {
    698 	__u32 gsi;
    699 	__u32 type;
    700 	__u32 flags;
    701 	__u32 pad;
    702 	union {
    703 		struct kvm_irq_routing_irqchip irqchip;
    704 		struct kvm_irq_routing_msi msi;
    705 		__u32 pad[8];
    706 	} u;
    707 };
    708 
    709 struct kvm_irq_routing {
    710 	__u32 nr;
    711 	__u32 flags;
    712 	struct kvm_irq_routing_entry entries[0];
    713 };
    714 
    715 #endif
    716 
    717 #ifdef KVM_CAP_MCE
    718 /* x86 MCE */
    719 struct kvm_x86_mce {
    720 	__u64 status;
    721 	__u64 addr;
    722 	__u64 misc;
    723 	__u64 mcg_status;
    724 	__u8 bank;
    725 	__u8 pad1[7];
    726 	__u64 pad2[3];
    727 };
    728 #endif
    729 
    730 #ifdef KVM_CAP_XEN_HVM
    731 struct kvm_xen_hvm_config {
    732 	__u32 flags;
    733 	__u32 msr;
    734 	__u64 blob_addr_32;
    735 	__u64 blob_addr_64;
    736 	__u8 blob_size_32;
    737 	__u8 blob_size_64;
    738 	__u8 pad2[30];
    739 };
    740 #endif
    741 
    742 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
    743 /*
    744  * Available with KVM_CAP_IRQFD_RESAMPLE
    745  *
    746  * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
    747  * the irqfd to operate in resampling mode for level triggered interrupt
    748  * emlation.  See Documentation/virtual/kvm/api.txt.
    749  */
    750 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
    751 
    752 struct kvm_irqfd {
    753 	__u32 fd;
    754 	__u32 gsi;
    755 	__u32 flags;
    756 	__u32 resamplefd;
    757 	__u8  pad[16];
    758 };
    759 
    760 struct kvm_clock_data {
    761 	__u64 clock;
    762 	__u32 flags;
    763 	__u32 pad[9];
    764 };
    765 
    766 #define KVM_MMU_FSL_BOOKE_NOHV		0
    767 #define KVM_MMU_FSL_BOOKE_HV		1
    768 
    769 struct kvm_config_tlb {
    770 	__u64 params;
    771 	__u64 array;
    772 	__u32 mmu_type;
    773 	__u32 array_len;
    774 };
    775 
    776 struct kvm_dirty_tlb {
    777 	__u64 bitmap;
    778 	__u32 num_dirty;
    779 };
    780 
    781 /* Available with KVM_CAP_ONE_REG */
    782 
    783 #define KVM_REG_ARCH_MASK	0xff00000000000000ULL
    784 #define KVM_REG_GENERIC		0x0000000000000000ULL
    785 
    786 /*
    787  * Architecture specific registers are to be defined in arch headers and
    788  * ORed with the arch identifier.
    789  */
    790 #define KVM_REG_PPC		0x1000000000000000ULL
    791 #define KVM_REG_X86		0x2000000000000000ULL
    792 #define KVM_REG_IA64		0x3000000000000000ULL
    793 #define KVM_REG_ARM		0x4000000000000000ULL
    794 #define KVM_REG_S390		0x5000000000000000ULL
    795 #define KVM_REG_ARM64		0x6000000000000000ULL
    796 #define KVM_REG_MIPS		0x7000000000000000ULL
    797 
    798 #define KVM_REG_SIZE_SHIFT	52
    799 #define KVM_REG_SIZE_MASK	0x00f0000000000000ULL
    800 #define KVM_REG_SIZE_U8		0x0000000000000000ULL
    801 #define KVM_REG_SIZE_U16	0x0010000000000000ULL
    802 #define KVM_REG_SIZE_U32	0x0020000000000000ULL
    803 #define KVM_REG_SIZE_U64	0x0030000000000000ULL
    804 #define KVM_REG_SIZE_U128	0x0040000000000000ULL
    805 #define KVM_REG_SIZE_U256	0x0050000000000000ULL
    806 #define KVM_REG_SIZE_U512	0x0060000000000000ULL
    807 #define KVM_REG_SIZE_U1024	0x0070000000000000ULL
    808 
    809 struct kvm_reg_list {
    810 	__u64 n; /* number of regs */
    811 	__u64 reg[0];
    812 };
    813 
    814 struct kvm_one_reg {
    815 	__u64 id;
    816 	__u64 addr;
    817 };
    818 
    819 struct kvm_msi {
    820 	__u32 address_lo;
    821 	__u32 address_hi;
    822 	__u32 data;
    823 	__u32 flags;
    824 	__u8  pad[16];
    825 };
    826 
    827 struct kvm_arm_device_addr {
    828 	__u64 id;
    829 	__u64 addr;
    830 };
    831 
    832 /*
    833  * Device control API, available with KVM_CAP_DEVICE_CTRL
    834  */
    835 #define KVM_CREATE_DEVICE_TEST		1
    836 
    837 struct kvm_create_device {
    838 	__u32	type;	/* in: KVM_DEV_TYPE_xxx */
    839 	__u32	fd;	/* out: device handle */
    840 	__u32	flags;	/* in: KVM_CREATE_DEVICE_xxx */
    841 };
    842 
    843 struct kvm_device_attr {
    844 	__u32	flags;		/* no flags currently defined */
    845 	__u32	group;		/* device-defined */
    846 	__u64	attr;		/* group-defined */
    847 	__u64	addr;		/* userspace address of attr data */
    848 };
    849 
    850 #define KVM_DEV_TYPE_FSL_MPIC_20	1
    851 #define KVM_DEV_TYPE_FSL_MPIC_42	2
    852 #define KVM_DEV_TYPE_XICS		3
    853 #define KVM_DEV_TYPE_VFIO		4
    854 #define  KVM_DEV_VFIO_GROUP			1
    855 #define   KVM_DEV_VFIO_GROUP_ADD			1
    856 #define   KVM_DEV_VFIO_GROUP_DEL			2
    857 #define KVM_DEV_TYPE_ARM_VGIC_V2	5
    858 
    859 /*
    860  * ioctls for VM fds
    861  */
    862 #define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
    863 /*
    864  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
    865  * a vcpu fd.
    866  */
    867 #define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
    868 #define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
    869 /* KVM_SET_MEMORY_ALIAS is obsolete: */
    870 #define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
    871 #define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
    872 #define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
    873 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
    874 					struct kvm_userspace_memory_region)
    875 #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
    876 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
    877 
    878 /* enable ucontrol for s390 */
    879 struct kvm_s390_ucas_mapping {
    880 	__u64 user_addr;
    881 	__u64 vcpu_addr;
    882 	__u64 length;
    883 };
    884 #define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
    885 #define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
    886 #define KVM_S390_VCPU_FAULT	 _IOW(KVMIO, 0x52, unsigned long)
    887 
    888 /* Device model IOC */
    889 #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
    890 #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
    891 #define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
    892 #define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
    893 #define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
    894 #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
    895 #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
    896 #define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
    897 #define KVM_REGISTER_COALESCED_MMIO \
    898 			_IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
    899 #define KVM_UNREGISTER_COALESCED_MMIO \
    900 			_IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
    901 #define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
    902 				       struct kvm_assigned_pci_dev)
    903 #define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
    904 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
    905 #define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
    906 #define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
    907 #define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
    908 #define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
    909 				       struct kvm_assigned_pci_dev)
    910 #define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
    911 				       struct kvm_assigned_msix_nr)
    912 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
    913 				       struct kvm_assigned_msix_entry)
    914 #define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
    915 #define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
    916 #define KVM_CREATE_PIT2		  _IOW(KVMIO,  0x77, struct kvm_pit_config)
    917 #define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
    918 #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
    919 #define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
    920 #define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
    921 #define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
    922 /* Available with KVM_CAP_PIT_STATE2 */
    923 #define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
    924 #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
    925 /* Available with KVM_CAP_PPC_GET_PVINFO */
    926 #define KVM_PPC_GET_PVINFO	  _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
    927 /* Available with KVM_CAP_TSC_CONTROL */
    928 #define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
    929 #define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
    930 /* Available with KVM_CAP_PCI_2_3 */
    931 #define KVM_ASSIGN_SET_INTX_MASK  _IOW(KVMIO,  0xa4, \
    932 				       struct kvm_assigned_pci_dev)
    933 /* Available with KVM_CAP_SIGNAL_MSI */
    934 #define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
    935 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
    936 #define KVM_PPC_GET_SMMU_INFO	  _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
    937 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
    938 #define KVM_PPC_ALLOCATE_HTAB	  _IOWR(KVMIO, 0xa7, __u32)
    939 #define KVM_CREATE_SPAPR_TCE	  _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
    940 /* Available with KVM_CAP_RMA */
    941 #define KVM_ALLOCATE_RMA	  _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
    942 /* Available with KVM_CAP_PPC_HTAB_FD */
    943 #define KVM_PPC_GET_HTAB_FD	  _IOW(KVMIO,  0xaa, struct kvm_get_htab_fd)
    944 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
    945 #define KVM_ARM_SET_DEVICE_ADDR	  _IOW(KVMIO,  0xab, struct kvm_arm_device_addr)
    946 /* Available with KVM_CAP_PPC_RTAS */
    947 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO,  0xac, struct kvm_rtas_token_args)
    948 
    949 /* ioctl for vm fd */
    950 #define KVM_CREATE_DEVICE	  _IOWR(KVMIO,  0xe0, struct kvm_create_device)
    951 
    952 /* ioctls for fds returned by KVM_CREATE_DEVICE */
    953 #define KVM_SET_DEVICE_ATTR	  _IOW(KVMIO,  0xe1, struct kvm_device_attr)
    954 #define KVM_GET_DEVICE_ATTR	  _IOW(KVMIO,  0xe2, struct kvm_device_attr)
    955 #define KVM_HAS_DEVICE_ATTR	  _IOW(KVMIO,  0xe3, struct kvm_device_attr)
    956 
    957 /*
    958  * ioctls for vcpu fds
    959  */
    960 #define KVM_RUN                   _IO(KVMIO,   0x80)
    961 #define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
    962 #define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
    963 #define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
    964 #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
    965 #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
    966 #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
    967 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
    968 #define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
    969 #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
    970 #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
    971 #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
    972 #define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
    973 #define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
    974 #define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
    975 #define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
    976 #define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
    977 #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
    978 #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
    979 /* Available with KVM_CAP_VAPIC */
    980 #define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
    981 /* Available with KVM_CAP_VAPIC */
    982 #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
    983 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
    984 #define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
    985 /* store status for s390 */
    986 #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
    987 #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
    988 #define KVM_S390_STORE_STATUS	  _IOW(KVMIO,  0x95, unsigned long)
    989 /* initial ipl psw for s390 */
    990 #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
    991 /* initial reset for s390 */
    992 #define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
    993 #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
    994 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
    995 /* Available with KVM_CAP_NMI */
    996 #define KVM_NMI                   _IO(KVMIO,   0x9a)
    997 /* Available with KVM_CAP_SET_GUEST_DEBUG */
    998 #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
    999 /* MCE for x86 */
   1000 #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
   1001 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
   1002 #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
   1003 /* IA64 stack access */
   1004 #define KVM_IA64_VCPU_GET_STACK   _IOR(KVMIO,  0x9a, void *)
   1005 #define KVM_IA64_VCPU_SET_STACK   _IOW(KVMIO,  0x9b, void *)
   1006 /* Available with KVM_CAP_VCPU_EVENTS */
   1007 #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
   1008 #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
   1009 /* Available with KVM_CAP_DEBUGREGS */
   1010 #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
   1011 #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
   1012 #define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
   1013 /* Available with KVM_CAP_XSAVE */
   1014 #define KVM_GET_XSAVE		  _IOR(KVMIO,  0xa4, struct kvm_xsave)
   1015 #define KVM_SET_XSAVE		  _IOW(KVMIO,  0xa5, struct kvm_xsave)
   1016 /* Available with KVM_CAP_XCRS */
   1017 #define KVM_GET_XCRS		  _IOR(KVMIO,  0xa6, struct kvm_xcrs)
   1018 #define KVM_SET_XCRS		  _IOW(KVMIO,  0xa7, struct kvm_xcrs)
   1019 /* Available with KVM_CAP_SW_TLB */
   1020 #define KVM_DIRTY_TLB		  _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
   1021 /* Available with KVM_CAP_ONE_REG */
   1022 #define KVM_GET_ONE_REG		  _IOW(KVMIO,  0xab, struct kvm_one_reg)
   1023 #define KVM_SET_ONE_REG		  _IOW(KVMIO,  0xac, struct kvm_one_reg)
   1024 /* VM is being stopped by host */
   1025 #define KVM_KVMCLOCK_CTRL	  _IO(KVMIO,   0xad)
   1026 #define KVM_ARM_VCPU_INIT	  _IOW(KVMIO,  0xae, struct kvm_vcpu_init)
   1027 #define KVM_ARM_PREFERRED_TARGET  _IOR(KVMIO,  0xaf, struct kvm_vcpu_init)
   1028 #define KVM_GET_REG_LIST	  _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
   1029 
   1030 #define KVM_DEV_ASSIGN_ENABLE_IOMMU	(1 << 0)
   1031 #define KVM_DEV_ASSIGN_PCI_2_3		(1 << 1)
   1032 #define KVM_DEV_ASSIGN_MASK_INTX	(1 << 2)
   1033 
   1034 struct kvm_assigned_pci_dev {
   1035 	__u32 assigned_dev_id;
   1036 	__u32 busnr;
   1037 	__u32 devfn;
   1038 	__u32 flags;
   1039 	__u32 segnr;
   1040 	union {
   1041 		__u32 reserved[11];
   1042 	};
   1043 };
   1044 
   1045 #define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
   1046 #define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
   1047 #define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
   1048 
   1049 #define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
   1050 #define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
   1051 #define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
   1052 
   1053 #define KVM_DEV_IRQ_HOST_MASK	 0x00ff
   1054 #define KVM_DEV_IRQ_GUEST_MASK   0xff00
   1055 
   1056 struct kvm_assigned_irq {
   1057 	__u32 assigned_dev_id;
   1058 	__u32 host_irq; /* ignored (legacy field) */
   1059 	__u32 guest_irq;
   1060 	__u32 flags;
   1061 	union {
   1062 		__u32 reserved[12];
   1063 	};
   1064 };
   1065 
   1066 struct kvm_assigned_msix_nr {
   1067 	__u32 assigned_dev_id;
   1068 	__u16 entry_nr;
   1069 	__u16 padding;
   1070 };
   1071 
   1072 #define KVM_MAX_MSIX_PER_DEV		256
   1073 struct kvm_assigned_msix_entry {
   1074 	__u32 assigned_dev_id;
   1075 	__u32 gsi;
   1076 	__u16 entry; /* The index of entry in the MSI-X table */
   1077 	__u16 padding[3];
   1078 };
   1079 
   1080 #endif /* __LINUX_KVM_H */
   1081